Table 1. Complementation testing of four field isolated Vip3Aa resistant H armigera colonies with the SP85 type colony.
Year isolated | Colony crossed to SP85 | Exposure | Dead | Alive | Total | % Dead |
---|---|---|---|---|---|---|
2012 | 11–1112 | buffer | 0 | 20 | 20 | 0.0 |
Vip3Aa | 5 | 20 | 25 | 20.0 | ||
2012 | 11–2201 | buffer | 0 | 45 | 45 | 0.0 |
Vip3Aa | 27 | 18 | 45 | 60.0 | ||
2013 | 12–2602 | buffer | 5 | 40 | 45 | 11.1 |
Vip3Aa | 7 | 38 | 45 | 15.6 | ||
2013 | 12–2998 | buffer | 0 | 45 | 45 | 0.0 |
Vip3Aa | 0 | 45 | 45 | 0.0 | ||
Various | Resistant (SP85) | buffer | 0 | 45 | 45 | 0.0 |
Vip3Aa | 0 | 45 | 45 | 0.0 | ||
Various | Susceptible (GR) | buffer | 0 | 45 | 45 | 0.0 |
Vip3Aa | 45 | 0 | 45 | 100.0 |
All crosses were tested with the discriminating dose of Vip3Aa (10 μg/cm2) and scored for survival.